< leases

GRAND SLAM

Oil · District 08 · Lease #29304

Operator: THREE RIVERS OPERATING CO LLC

Fields: DEWEY LAKE, S. (STRAWN)

Cum Oil

98k BBL

Cum Gas

919k MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

1993-01

Production History

Cum Oil: 97,805 BBL Cum Gas: 918,758 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

642 BBL/mo

Di (annual)

8.5%

b-factor

0.0

EUR

89,170 BBL

R-squared

0.798

type

exponential

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo
2017-05 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 45 mo
2016-12 — 2017-04 DE OPERATING LLC 5 mo
2012-08 — 2016-11 COG OPERATING LLC 52 mo
2010-04 — 2012-07 THREE RIVERS OPERATING CO LLC 28 mo
2004-05 — 2010-03 CHESAPEAKE OPERATING, INC. 71 mo
1995-10 — 2004-04 PERMIAN RESOURCES, INC. 103 mo
1993-01 — 1995-09 BADGER OIL CORPORATION 33 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
342-173-31746PIONEER NATURAL RES. USA, INC.110,3001984-11-21
242-173-31625PIONEER NATURAL RES. USA, INC.210,2001984-08-28